What is the difference between on and auto on a home thermostat?
On will turn the fan or blower on continuously and auto setting will kick off and on according to the temperature setting on the thermostat.
Is it more energy efficient to raise the AC thermostat during the day then cooling down the house at the end of the workday or leaving the thermostat at the lower temperature all day?
Typically it is more efficient (and cheaper) to use a set back thermostat. Here is the most basic reason. The rate at which heat is gained or lost by a home or building depends on the difference in temperature between the indoors and the outdoors. Setting the temperature back (higher in the summer and lower in the winter) decreases this temperature difference and thus the total amount of heat gained or lost by the building…
* Where is the best location a thermostat in the home should be? * ---- * Don't place the thermostat on an exterior wall. * Don't place the thermostat near an intake duct. * Don't place the thermostat near the heat register * Do place the thermostat on an interior wall a bought half way point about * 4.5 ' to 5', on the wall away from any breezes or heat admitting devices.